Alston s Cotton Rat vs Dusky Dolphin

Sigmodon alstoni compared with Lagenorhynchus obscurus

Taxonomic Classification

Rank	Alston s Cotton Rat	Dusky Dolphin
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Delphinidae (Oceanic Dolphins)
Genus	Sigmodon	Lagenorhynchus
Species	Sigmodon alstoni	Lagenorhynchus obscurus

Evolutionary Relationship

Alston s Cotton Rat and Dusky Dolphin share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Dusky Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Dusky Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.